Data Projection:NAD_1983_StatePlane_New_York_Long_Island_FIPS_3104_Feet
Coordinate system:
Lambert Conformal Conic
Theme keywords:
boundary, borough, boundaries
Abstract:
These projection areas were created to project populations at a small area level, from 2000 to 2030. First and foremost, these aggregations were driven by population size in 2000 – projection areas had to have a minimum population of 15,000, because this reduces the error associated with the projected population. This criterion resulted in combinations of neighborhoods that probably would not occur if one were solely designating boundaries of historical neighborhoods. Moreover, the neighborhood names associated with the projection areas are not intended to be definitive.
Projection areas were created using whole census tracts that were exact subdivisions of New York City’s 55 Public Use Microdata Areas (PUMAs). (PUMAs were developed for use with the Census Bureau’s Public Use Microdata Samples (PUMS) and are approximations of Community Districts.) Projection areas were not permitted to cross PUMA boundaries.
Users need to be cognizant of the reason why these projection areas were created, and the demographic and geographic constraints inherent in how they were configured.
These projection areas were created to project populations at a small area level, from 2000 to 2030. First and foremost, these aggregations were driven by population size in 2000 – projection areas had to have a minimum population of 15,000, because this reduces the error associated with the projected population. This criterion resulted in combinations of neighborhoods that probably would not occur if one were solely designating boundaries of historical neighborhoods. Moreover, the neighborhood names associated with the projection areas are not intended to be definitive.
Projection areas were created using whole census tracts that were exact subdivisions of New York City’s 55 Public Use Microdata Areas (PUMAs). (PUMAs were developed for use with the Census Bureau’s Public Use Microdata Samples (PUMS) and are approximations of Community Districts.) Projection areas were not permitted to cross PUMA boundaries.
Users need to be cognizant of the reason why these projection areas were created, and the demographic and geographic constraints inherent in how they were configured.
Purpose:
These boundaries were created by the Department of City Planning for assessing small area population projections.
Time Period of Content:
Time Period Information:
Single Date/Time:
Calendar Date:
June, 2009
Currentness Reference:
ground condition
Status:
Progress:
Complete
Maintenance and Update Frequency:
Quarterly
Spatial Domain:
Bounding Coordinates:
West Bounding Coordinate:
-74.257465
East Bounding Coordinate:
-73.699450
North Bounding Coordinate:
40.915808
South Bounding Coordinate:
40.495805
Keywords:
Theme:
Theme Keyword Thesaurus:
NONE
Theme Keyword:
boundary
Theme Keyword:
borough
Theme Keyword:
boundaries
Place:
Place Keyword Thesaurus:
NONE
Place Keyword:
New York
Place Keyword:
New York City
Place Keyword:
Manhattan
Place Keyword:
Staten Island
Place Keyword:
Brooklyn
Place Keyword:
Bronx
Place Keyword:
Queens
Access Constraints:
The data is freely available to all New York City agencies and the public.
Use Constraints:
While all possible measures have been taken to ensure the accuracy of this data, the NYC Department of City Planning and the City of New York assume no responsibility for the accuracy of this data. All users should independently verify the accuracy of the data for their purposes.
Point of Contact:
Contact Information:
Contact Organization Primary:
Contact Organization:
New York City Department of City Planning
Contact Position:
BYTES of the BIG APPLE Coordinator
Contact Address:
Address Type:
mailing and physical address
Address:
22 Reade St, 5N
City:
New York
State or Province:
NY
Postal Code:
10007
Country:
USA
Contact Voice Telephone:
212.720.3505
Native Data Set Environment:
Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 1; ESRI ArcCatalog 9.0.0.535
These data are accurate as of the redistricting after the US Census 2000.
Positional Accuracy:
Horizontal Positional Accuracy:
Horizontal Positional Accuracy Report:
The District files are created from the same release version of the Department of City Planning LION file. The LION file is spatially aligned with NYCMap aerial photography.